Communication system



Janfwl, 1962 T. H. MITCHELL ETAL 3,017,461

COMMUNICATION SYSTEM 35 Sheets-Sheet 1 Filed Aug. 10, 1956 LANQSQK 33Sheets-Sheet 2 COMMUNICATION SYSTEM T. H. MITCHELL ETAL Jn. 116, 1962lFiled Aug. 1o, 1956 Jan. 1-6, 1 962 T. H. MlTcHr-:LL ETAL .COMMUNICATIONSYSTEM 255 Sheets-Sheet 3 Filed Aug. 10. 1956 IN VEN TORJ o o o .mismamde N o mm mlm mdo m zmnm a o mde Em Sumo o o l H o wwm Em o o o ww o a...mC o o o D o 0 .3mm dum o mow o m u 0 O 0 O G D o mow vm. o o o o o oo mm o I m n N o o 3 9 mow o o o wmm o o Z Q o zw-.223cm @www .2.49m a.52am lzoo xm o O o o o o o mom 5mm,

Jan. 16, 1962 T. H. MITCHELL. ETAL 3,017,461

COMMUNLCATION SYSTEM 53 sheets-sheet 5 Filed Aug. l0, 1956 Jan. 1s, 1962Filed Aug. 10, 1956 T. H. MITCHELL ETAL COMMUNICATION SYSTEM 55Sheets-Sheet 6 sms/M Mfr/MMM, 79

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Jan. 16, 1962 T. H. MITCHELL ETAL. 3,017,461

COMMUNICATION SYSTEM Filed Aug. 10, 1956 55 Sheets-Sheet 7 Jan. '16 1962T. H. MITCHELL ETAL 3,017,461

commJNIcATIoN SYSTEM Filed Aug. 1o. 195e 55 sheets-sheet s 5g fg? 15,0 d

Jall- 16, 1962 T. H. MITCHELL ETAL 3,017,451

COMMUNICATION SYSTEM Filed Aug. l0, 1956 35 Sheets-Sheet 9 D l A E I.ff-l

914 faz! Jan. 16, 1962 T. H. MITCHELL ETAL 3,017,461

COMMUNICATION SYSTEM Jan. 176 1962 T. H. MITCHELL ETAL 3,017,461

COMMUNICATION SYSTEM Jan. 1'6., 1962 Filed Aug. 10, 1956 T. H. MITCHELLETAL COMMUNICATION SYSTEM 33 Sheets-Sheet 12 .rmi/Na wirf/4Min 7 J791.'. H. MITCHELL ETAL COMMUNICATION SYSTEM Filed Aug. 10, 1956 35Sheets-Sheet 13 Jan. 16, l1962 T. H. M11-CHEM. ETAL 3,017,461

COMMUNICATION SYSTEM Filed Aug. l0. 1956 55 Sheets-Sheet 14 irmewf/ Jan.1'6, 1962 T. H. MITCHELL ETAL 3,017,461

COMMUNICATION SYSTEM Filed Aug. l0. 1956 33 Sheets-Sheet 15 Il i me I a@M Effi-lim@ ad l? ma: 'Y du (7 #free/vif Jan. -16, 1962 T. H. MITCHELLETAL 3,017,461

com/fUNIaATIoN SYSTEM Filed Aug. 10, 1956 33 Sheets-Sheet 16 @iV/D25K/7207 irme/vif Jan. 16 1962 T. H. MITCHELL ETAL.

COMMUNICATION vSYSTEM Filed Aug. 10, 1956 35 Sheets-Sheet 17 ay Zw/1,HMM,

Jan. 16, A1962 T. H. MITCHELL ETAL 3,017,461

COMMUNICATION SYSTEM 55 Sheets-Sheet 18 Filed Aug. l0, 1956 M@ W. www; R0 mw.; T WMZ s n.: www H ya, ./JQM W COMMUNICATION SYSTEM Filed Aug. 10,1956 53 Sheets-Sheet 19llllllllllllIllllllllllllllllIllllllllllllllllllllllllllll A TTORNEY.

Jan. 16, .1962 T. H. MITCHELL ETAL. 3,017,461

COMMUNICATION SYSTEM 55 Sheets-Sheet 2O Filed Aug. lO, 1956

